Lot
27

[BOHR, Niels]. Collection of eight presentation volumes from the library of Niels Bohr (1885-1962), most with his signature or ownership ink stamp ("N. Bohr"), many directly relevant to Bohr's atomic theory.

CAMPBELL, Norman Robert (1880-1949). Modern Electricial Theory: Supplementary Chapters. Chapter XV: Series Spectra. Cambridge, 1921. 8o. Original cloth. FIRST EDITION, PRESENTATION COPY, inscribed on the front free endpaper: "From the author. A humble tribute of respectful admiration. March 24, 1922" and signed by Bohr on the pastedown. This was the first supplement to Campbell's textbook of 1907.